National Cyber Awareness System
Vulnerability Summary for CVE-2009-4881
Original release date:06/01/2010
Last revised:01/12/2011
Source:
US-CERT/NIST
Overview
Integer overflow in the __vstrfmon_l function in stdlib/strfmon_l.c in the strfmon implementation in the GNU C Library (aka glibc or libc6) before 2.10.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted format string, as demonstrated by the %99999999999999999999n string, a related issue to CVE-2008-1391.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: http://sourceware.org/git/?p=glibc.git;a=commit;h=153aa31b93be22e01b236375fb02a9f9b9a0195f
Type: Patch Information
External Source: XF
Name: gnuclibrary-vstrfmonl-overflow(59241)
External Source: MANDRIVA
Name: MDVSA-2010:111
External Source: DEBIAN
Name: DSA-2058
External Source: CONFIRM
Name: http://sources.redhat.com/bugzilla/show_bug.cgi?id=10600
External Source: GENTOO
Name: GLSA-201011-01
